chrome/browser/chromeos/ui_proxy_config.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/ui_proxy_config.h"
   6
   7 #include "base/logging.h"
   8 #include "base/values.h"
   9 #include "chrome/browser/policy/proto/chromeos/chrome_device_policy.pb.h"
  10 #include "chrome/browser/prefs/proxy_config_dictionary.h"
  11 #include "net/proxy/proxy_config.h"
  12
  13 namespace chromeos {
  14
  15 UIProxyConfig::UIProxyConfig()
  16     : mode(MODE_DIRECT),
  17       state(ProxyPrefs::CONFIG_UNSET),
  18       user_modifiable(true) {
  19 }
  20
  21 UIProxyConfig::~UIProxyConfig() {
  22 }
  23
  24 void UIProxyConfig::SetPacUrl(const GURL& pac_url) {
  25   mode = UIProxyConfig::MODE_PAC_SCRIPT;
  26   automatic_proxy.pac_url = pac_url;
  27 }
  28
  29 void UIProxyConfig::SetSingleProxy(const net::ProxyServer& server) {
  30   mode = UIProxyConfig::MODE_SINGLE_PROXY;
  31   single_proxy.server = server;
  32 }
  33
  34 void UIProxyConfig::SetProxyForScheme(const std::string& scheme,
  35                                       const net::ProxyServer& server) {
  36   ManualProxy* proxy = MapSchemeToProxy(scheme);
  37   if (!proxy) {
  38     NOTREACHED() << "Cannot set proxy: invalid scheme [" << scheme << "]";
  39     return;
  40   }
  41   mode = UIProxyConfig::MODE_PROXY_PER_SCHEME;
  42   proxy->server = server;
  43 }
  44
  45 void UIProxyConfig::SetBypassRules(const net::ProxyBypassRules& rules) {
  46   if (mode != UIProxyConfig::MODE_SINGLE_PROXY &&
  47       mode != UIProxyConfig::MODE_PROXY_PER_SCHEME) {
  48     NOTREACHED() << "Cannot set bypass rules for proxy mode [" << mode << "]";
  49     return;
  50   }
  51   bypass_rules = rules;
  52 }
  53
  54 bool UIProxyConfig::FromNetProxyConfig(const net::ProxyConfig& net_config) {
  55   *this = UIProxyConfig();  // Reset to default.
  56   const net::ProxyConfig::ProxyRules& rules = net_config.proxy_rules();
  57   switch (rules.type) {
  58     case net::ProxyConfig::ProxyRules::TYPE_NO_RULES:
  59       if (!net_config.HasAutomaticSettings()) {
  60         mode = UIProxyConfig::MODE_DIRECT;
  61       } else if (net_config.auto_detect()) {
  62         mode = UIProxyConfig::MODE_AUTO_DETECT;
  63       } else if (net_config.has_pac_url()) {
  64         mode = UIProxyConfig::MODE_PAC_SCRIPT;
  65         automatic_proxy.pac_url = net_config.pac_url();
  66       } else {
  67         return false;
  68       }
  69       return true;
  70     case net::ProxyConfig::ProxyRules::TYPE_SINGLE_PROXY:
  71       if (rules.single_proxies.IsEmpty())
  72         return false;
  73       mode = MODE_SINGLE_PROXY;
  74       single_proxy.server = rules.single_proxies.Get();
  75       bypass_rules = rules.bypass_rules;
  76       return true;
  77     case net::ProxyConfig::ProxyRules::TYPE_PROXY_PER_SCHEME:
  78       // Make sure we have valid server for at least one of the protocols.
  79       if (rules.proxies_for_http.IsEmpty() &&
  80           rules.proxies_for_https.IsEmpty() &&
  81           rules.proxies_for_ftp.IsEmpty() &&
  82           rules.fallback_proxies.IsEmpty()) {
  83         return false;
  84       }
  85       mode = MODE_PROXY_PER_SCHEME;
  86       if (!rules.proxies_for_http.IsEmpty())
  87         http_proxy.server = rules.proxies_for_http.Get();
  88       if (!rules.proxies_for_https.IsEmpty())
  89         https_proxy.server = rules.proxies_for_https.Get();
  90       if (!rules.proxies_for_ftp.IsEmpty())
  91         ftp_proxy.server = rules.proxies_for_ftp.Get();
  92       if (!rules.fallback_proxies.IsEmpty())
  93         socks_proxy.server = rules.fallback_proxies.Get();
  94       bypass_rules = rules.bypass_rules;
  95       return true;
  96     default:
  97       NOTREACHED() << "Unrecognized proxy config mode";
  98       break;
  99   }
 100   return false;
 101 }
 102
 103 base::DictionaryValue* UIProxyConfig::ToPrefProxyConfig() const {
 104   switch (mode) {
 105     case MODE_DIRECT: {
 106       return ProxyConfigDictionary::CreateDirect();
 107     }
 108     case MODE_AUTO_DETECT: {
 109       return ProxyConfigDictionary::CreateAutoDetect();
 110     }
 111     case MODE_PAC_SCRIPT: {
 112       return ProxyConfigDictionary::CreatePacScript(
 113           automatic_proxy.pac_url.spec(), false);
 114     }
 115     case MODE_SINGLE_PROXY: {
 116       std::string spec;
 117       if (single_proxy.server.is_valid())
 118         spec = single_proxy.server.ToURI();
 119       return ProxyConfigDictionary::CreateFixedServers(
 120           spec, bypass_rules.ToString());
 121     }
 122     case MODE_PROXY_PER_SCHEME: {
 123       std::string spec;
 124       EncodeAndAppendProxyServer("http", http_proxy.server, &spec);
 125       EncodeAndAppendProxyServer("https", https_proxy.server, &spec);
 126       EncodeAndAppendProxyServer("ftp", ftp_proxy.server, &spec);
 127       EncodeAndAppendProxyServer("socks", socks_proxy.server, &spec);
 128       return ProxyConfigDictionary::CreateFixedServers(
 129           spec, bypass_rules.ToString());
 130     }
 131     default:
 132       break;
 133   }
 134   NOTREACHED() << "Unrecognized proxy config mode for preference";
 135   return NULL;
 136 }
 137
 138 UIProxyConfig::ManualProxy* UIProxyConfig::MapSchemeToProxy(
 139     const std::string& scheme) {
 140   if (scheme == "http")
 141     return &http_proxy;
 142   if (scheme == "https")
 143     return &https_proxy;
 144   if (scheme == "ftp")
 145     return &ftp_proxy;
 146   if (scheme == "socks")
 147     return &socks_proxy;
 148   NOTREACHED() << "Invalid scheme: " << scheme;
 149   return NULL;
 150 }
 151
 152 // static
 153 void UIProxyConfig::EncodeAndAppendProxyServer(const std::string& url_scheme,
 154                                                const net::ProxyServer& server,
 155                                                std::string* spec) {
 156   if (!server.is_valid())
 157     return;
 158
 159   if (!spec->empty())
 160     *spec += ';';
 161
 162   if (!url_scheme.empty()) {
 163     *spec += url_scheme;
 164     *spec += "=";
 165   }
 166   *spec += server.ToURI();
 167 }
 168
 169 }  // namespace chromeos